F83500B0008G070 (item number 1045205) is a Kelvin Probe for measuring very low resistance values with reduced influence from lead and contact resistance. The separate current and voltage paths in F83500B0008G070 support four-wire measurements in which lead and contact resistance have minimal influence on the result. The impedance specified for F83500B0008G070 is 50 Ω. The specified frequency range of F83500B0008G070 extends up to 2 GHz. F83500B0008G070 combines a pitch of 3.5 mm / 138 mil with tip style 05 (Concave stepped) and a tip diameter of 2.66 mm. For F83500B0008G070, spring force is 70 cN at a nominal travel of 4 mm.